Finding the Fourth Proportional to 949,505,026.60, 1,424,257,539.90 and 534,555,893.80
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Solution
The fourth proportional to 949,505,026.60, 1,424,257,539.90 and 534,555,893.80 is: 801,833,840.70
Step by Step Solution
- Step 1: Write the proportion equation
949,505,026.60 : 1,424,257,539.90 = 534,555,893.80 : x - Step 2: Convert to fraction form
949,505,026.60/1,424,257,539.90 = 534,555,893.80/x - Step 3: Cross multiply
949,505,026.60x = 1,424,257,539.90 × 534,555,893.80 - Step 4: Simplify right side
949,505,026.60x = 761,345,262,242,633,728 - Step 5: Solve for x
x = 761,345,262,242,633,728/949,505,026.60 - Step 6: Final answer
x = 801,833,840.70
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.